Firo Yang 9f47b01992 hdlcdrv: Fix divide by zero in hdlcdrv_ioctl ...

[ Upstream commit fb3ce90b7d7761b6f7f28f0ff5c456ef6b5229a1 ]

syszkaller fuzzer triggered a divide by zero, when set calibration
through ioctl().

To fix it, test 'bitrate' if it is negative or 0, just return -EINVAL.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Firo Yang <firogm@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-04-13 19:48:12 +02:00

..

6pack.c

6pack: fix buffer length mishandling

2016-09-20 22:51:30 -04:00

baycom_epp.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

2016-05-17 16:26:30 -07:00

baycom_par.c

hamradio: baycom: fix old-style declaration

2016-06-16 22:06:30 -07:00

baycom_ser_fdx.c

net: hamradio: baycom_ser_fdx: Replace timeval with timespec64

2016-02-11 09:54:54 -05:00

baycom_ser_hdx.c

hamradio: baycom: remove deprecated IRQF_DISABLED

2013-09-30 15:08:13 -04:00

bpqether.c

hamradio: use IS_ENABLED() instead of checking for built-in or module

2016-09-12 20:27:59 -07:00

dmascc.c

dmascc: Return correct error codes

2016-02-16 15:32:34 -05:00

hdlcdrv.c

hdlcdrv: Fix divide by zero in hdlcdrv_ioctl

2018-04-13 19:48:12 +02:00

Kconfig

tty: Added a CONFIG_TTY option to allow removal of TTY

2013-01-18 16:15:27 -08:00

Makefile

…

mkiss.c

NET: mkiss: Fix panic

2017-06-17 06:41:50 +02:00

scc.c

treewide: replace dev->trans_start update with helper

2016-05-04 14:16:49 -04:00

yam.c

treewide: replace dev->trans_start update with helper

2016-05-04 14:16:49 -04:00

z8530.h

…